There may be times when you don’t want iTunes to automatically back up your iPhone. For example, you may want to use a different backup method or you may not have enough storage space on your computer to store backups.
Fortunately, it’s easy to disable automatic backups in iTunes. Here’s how:
1. Open iTunes and click on the Preferences icon.
2. Click on the Devices tab.
3. Uncheck the box next to “Sync with this iPhone over USB.”
4. Click …